[考古] 逢甲93考古題
想跟大家請教這兩題的算法
1.
The slope of the tangent line to the curve { z=f(x,y)=(25-x^2-y^2)^1/2
{ x=2
at the point,(2,1,√20),is ?
這題是在問點(2,1,√20) 的切線斜率嗎?
Ans:-1/√20
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2.
1 tanx
∫ -----------dx = ?
-1 1+x^2+x^4
Ans:0
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